package cn.tedu.review;
/**本类用于复习包装类*/
public class TestNumber {
    public static void main(String[] args) {
        Integer in1 = new Integer(5);
        Integer in2 = Integer.valueOf(5);
        Integer in3 = 5;
        Double d1 = new Double(1.1);
        Double d2 = Double.valueOf(1.1);
        Double d3 = 1.1;

        in1.parseInt("80");
        System.out.println(Integer.parseInt("80")+3);
        d1.parseDouble("1.1");
        System.out.println(Double.parseDouble("3.4")+1.1);
    }
}
